208728875

素因数分解:

$5^3\times {\mathrm{449}}^1\times {\mathrm{3719}}^1$

素因数の和:4183

約数の個数: 16

約数和(自身を含む): 261144000

約数和(自身を除く): 52415125

約数列:

[1, 5, 25, 125, 449, 2245, 3719, 11225, 18595, 56125, 92975, 464875, 1669831, 8349155, 41745775, 208728875]

約数ペア:

[(1, 208728875), (5, 41745775), (25, 8349155), (125, 1669831), (449, 464875), (2245, 92975), (3719, 56125), (11225, 18595)]